Search a number
-
+
11444453131 = 29358766541
BaseRepresentation
bin10101010100010010…
…00111111100001011
31002112120202110022111
422222021013330023
5141414240000011
65131342203151
7553414150366
oct125211077413
932476673274
1011444453131
114943106031
1222748834b7
131105031677
147a7d270dd
1546ead4121
hex2aa247f0b

11444453131 has 8 divisors (see below), whose sum is σ = 11503248624. Its totient is φ = 11385792480.

The previous prime is 11444453093. The next prime is 11444453149. The reversal of 11444453131 is 13135444411.

11444453131 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11444453131 - 27 = 11444453003 is a prime.

It is a super-2 number, since 2×114444531312 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11444453093 and 11444453102.

It is not an unprimeable number, because it can be changed into a prime (11444453191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 138721 + ... + 205261.

It is an arithmetic number, because the mean of its divisors is an integer number (1437906078).

Almost surely, 211444453131 is an apocalyptic number.

11444453131 is a deficient number, since it is larger than the sum of its proper divisors (58795493).

11444453131 is an equidigital number, since it uses as much as digits as its factorization.

11444453131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67421.

The product of its digits is 11520, while the sum is 31.

Adding to 11444453131 its reverse (13135444411), we get a palindrome (24579897542).

The spelling of 11444453131 in words is "eleven billion, four hundred forty-four million, four hundred fifty-three thousand, one hundred thirty-one".

Divisors: 1 293 587 66541 171991 19496513 39059567 11444453131